Post driver chuck tube



FIG. 1 is a perspective view of the design for a post driver chuck tube.

FIG. 2 shows another perspective view of the design.

FIG. 3 is a front view of the design, with the rear and side views being the same.

FIG. 4 is a top view of the design; and,

FIG. 5 is a bottom view of the design.

The dashed lines in the drawing figures represent the environment and do not constitute part of the claimed design. 

CLAIM The ornamental design for a post driver chuck tube, as shown and described. 